Better Transaksi Bambang

transaksiBambangReaderRefined.ts

const accRepo: AccountRepo = {
  find: no => ({ name: 'Bambang', email: 'tampan@tampan.com' })
};

declare function debit(no: string, amount: number): () => Reader<AccountRepo, Account>;
declare function credit(no: string, amount: number): () => Reader<AccountRepo, Account>;
declare function balance(no: string): () => Reader<AccountRepo, number>;
  
const transaksiBambangF = (no: string) => composeK(
  balance(no),    // <- Cleaner
  credit(no, 80),
  debit(no, 50),
  debit(no, 100)
);
const finalbalanceF = transaksiBambangF('NL90DLBK0286293543')(accRepo);